Series.dt.month
The month as January=1, December=12.
Examples
>>> datetime_series = pd.Series( ... pd.date_range("2000-01-01", periods=3, freq="M") ... ) >>> datetime_series 0 2000-01-31 1 2000-02-29 2 2000-03-31 dtype: datetime64[ns] >>> datetime_series.dt.month 0 1 1 2 2 3 dtype: int64
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